From 4189a82e483e27149f510b109e4c63ce53588dac Mon Sep 17 00:00:00 2001
From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sat, 5 Nov 2022 09:24:57 -0700
Subject: [PATCH] add prune to the CMake build system

Gitlab: #1836
---
 CHANGELOG.md                 |  4 ++++
 CMakeLists.txt               |  1 +
 ci/tests.py                  |  1 -
 contrib/prune/CMakeLists.txt | 42 ++++++++++++++++++++++++++++++++++++
 4 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100644 contrib/prune/CMakeLists.txt

diff --git a/CHANGELOG.md b/CHANGELOG.md
index c185ed210..b2586f1f8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased (7.0.2)]
 
+### Added
+
+- The `prune` utility is now included in the CMake build system. #1836
+
 ## [7.0.1] – 2022-11-09
 
 ### Added
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5d708e288..482a8c44c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -247,6 +247,7 @@ include(CTest)
 
 # ======================= Specify subdirectories to build ======================
 add_subdirectory(contrib/diffimg)
+add_subdirectory(contrib/prune)
 add_subdirectory(graphs)
 add_subdirectory(lib)
 add_subdirectory(plugin)
diff --git a/ci/tests.py b/ci/tests.py
index e98a67205..4cede5687 100644
--- a/ci/tests.py
+++ b/ci/tests.py
@@ -103,7 +103,6 @@ def test_existence(binary: str):
     "gv2gxl",
     "gvedit",
     "gxl2dot",
-    "prune",
   ]
 
   tools_not_built_with_msbuild = [
diff --git a/contrib/prune/CMakeLists.txt b/contrib/prune/CMakeLists.txt
new file mode 100644
index 000000000..c5b183f00
--- /dev/null
+++ b/contrib/prune/CMakeLists.txt
@@ -0,0 +1,42 @@
+add_executable(prune generic_list.c prune.c)
+target_include_directories(prune PRIVATE
+  ../../lib
+  ../../lib/cdt)
+target_link_libraries(prune PRIVATE cdt cgraph ingraphs)
+
+if(GETOPT_FOUND)
+  target_include_directories(prune SYSTEM PRIVATE
+    ${GETOPT_INCLUDE_DIRS}
+  )
+endif()
+
+if(NOT HAVE_GETOPT_H)
+  target_link_libraries(prune PRIVATE ${GETOPT_LINK_LIBRARIES})
+endif()
+
+install(
+  TARGETS prune
+  RUNTIME DESTINATION ${BINARY_INSTALL_DIR}
+  LIBRARY DESTINATION ${LIBRARY_INSTALL_DIR}
+  ARCHIVE DESTINATION ${LIBRARY_INSTALL_DIR}
+)
+
+if(GZIP)
+  add_custom_target(man-prune ALL DEPENDS prune.1.gz
+                    COMMENT "prune man page")
+  add_custom_command(
+    OUTPUT prune.1.gz
+    COMMAND ${GZIP} -9 --no-name --to-stdout prune.1
+      >"${CMAKE_CURRENT_BINARY_DIR}/prune.1.gz"
+    MAIN_DEPENDENCY prune.1
+    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+    COMMENT "compress prune man page")
+  install(
+    FILES ${CMAKE_CURRENT_BINARY_DIR}/prune.1.gz
+    DESTINATION ${MAN_INSTALL_DIR}/man1)
+else()
+  install(
+    FILES prune.1
+    DESTINATION ${MAN_INSTALL_DIR}/man1
+  )
+endif()
-- 
2.40.0